It has been requested that this article be rewritten and expanded to include more information.
The Bomb Toss is move that is exclusive to Super Mario Bros 2. They are contained in plants, like a lot of other items. When the plant was picked up with the B button, it would stay on the players head for a few seconds, start flashing white, and then it would explode. However, if the player throws it with the B button, it would explode somewhere else. Toad has the fastest picking speed and throwing speed. When it explodes, the whole screen flashes white, and where the bomb was, it says "Bomb!"